Edgemont is a city in Fall River County, South Dakota, home to about 860 people across 1.4 square miles. Its ZIP code is 57735.
Mostly Edgemont; also Dudley and Ardmore
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| Nearest major airport | Denver International Airport (DEN)241 miles away |
|---|---|
| Closer regional airport | Chadron Municipal Airport (CDR)48 miles away |
| Nearest city of 250,000+ | Denver, CO250 miles away |
| Nearest city of 1 million+ | Phoenix, AZ807 miles away |
Straight-line distances from the center of Edgemont; driving is longer.
Source: Airports from OurAirports (scheduled passenger service); city centers and populations from the U.S. Census Bureau.
Source: Members of Congress from the congress-legislators project; districts from the Census Bureau’s relationship files; governor and mayor from Wikidata.
Edgemont had 725 residents in the 2020 census, down 16% since 2000.
It’s the 95th largest of 440 towns in South Dakota by population.
Fall River County grew from 3,541 residents in 1900 to 6,973 in 2020.
Fall River County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 89°F in summer, and winter lows average 4°F. About 16.2 inches of rain and melted snow fall in a typical year, with about 36 inches of snow.
Source: NOAA 1991–2020 climate normals, Edgemont, SD weather station (2 miles away).
1,722 jobs at 209 businesses in Fall River County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2022 (private employers; jobs counted where people work).
Nearest hospitals
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances.
Parks (1 nearby)
Libraries
Museums
Counts are within about 1 mile of the center of town.
Source: Map data © OpenStreetMap contributors (openstreetmap.org/copyright), as mapped by volunteers; it can miss places or include closed ones.
Public schools here are run by Edgemont School District 23-1, Elk Mountain School District 16-2. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Edgemont Elementary - 03Edgemont | Pre-K–8 | 93 | Public | 1.5 mi |
| Elk Mountain Elementary - 01Dewey | Pre-K–8 | 14 | Public | 29.8 mi |
| Edgemont High School - 01Edgemont | 9–12 | 26 | Public | 1.5 mi |
| Elk Mountain High School - 04Dewey | 9–12 | 2 | Public | 29.8 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools. Listed by address; we don’t rate schools.
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Shares ZIP codes with Dudley, Ardmore and Provo.
Town boundaries don’t always match ZIP codes: a ZIP code can cross into neighboring towns, and a town can share a ZIP code with its neighbors. Facts describe the town itself; market figures describe whole ZIP codes.